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All Journal Jurnal Himasapta Aceh International Journal of Science and Technology PESARE: Science and Engineering Service Journal JURNAL REKAYASA KIMIA & LINGKUNGAN
Izzan Nur Aslam
Program Studi Teknik Pertambangan, Fakultas Teknik, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Public Health

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Potensi Penerapan Urban Mining dari E-Waste Berbasis Ekonomi Sirkular dalam Pembangunan Berkelanjutan di Bukittinggi Ilham Ilham; Sutradara Ginting; Sintiya Hamdina Ritonga; Izzan Nur Aslam
Jurnal Himasapta Vol 7, No 1 (2022): Jurnal Himasapta Volume 7 Nomor 01 April 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jhs.v7i1.5337

Abstract

E-waste, atau electronic waste, merupakan limbah listrik dan elektronik yang berupa kabel listrik, laptop, dan lain-lain. Smartphone merupakan salah satu alat elektronik yang memiliki banyak manfaat bagi manusia. Perkembangan yang pesat menyebabkan setiap tahunnya e-waste dari smartphone mengalami peningkatan di Indonesia terutama sekali di Bukittinggi. Karena setiap tahunnya mengalami peningkatan, penanggulangan e-waste mejadi sangat penting bagi lingkungan dan telah menjadi kewajiban bagi beberapa negara di dunia. Ekonomi sirkular merupakan salah pilihan yang tepat dengan konsep penggunaan kembali dan daur ulang produk. Hal ini berdampak pada berkurangnya permintaan bahan baku, menurunya konsumsi sumber daya alam, dan terciptanya lapangan pekerjaan yang baru. Urban mining dengan pemanfaatan e-waste berbasis ekonomi sirkular dapat menjadi salah satu solusi, terutama dalam mengganti proses pertambangan konvensional yang cenderung merusak lingkungan dengan menjadi alternatif penghasil komoditas pertambangan konvensional. Penelitian ini menggunakan metode Material Flow Analysis (MFA). Data penggunaan smartphone diperoleh dari Badan Pusat Statistik (BPS) Bukittinggi selama sepuluh tahun ke belakang. Hasil penelitian ini selanjutnya menjadi bahan pertimbangan bagi sektor perekonomian dan lingkungan.
Utilization of Coal-Mining Mud as a Safe and Environmentally Friendly Building Material Alam, Pocut Nurul; Yulianis, Yulianis; Hadif, Fauzil; Kurniawan, Reinaldy; Aslam, Izzan Nur
Aceh International Journal of Science and Technology Vol 13, No 1 (2024): April 2024
Publisher : Graduate School of Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.13.1.37303

Abstract

Coal-mining mud is one of the wastes that must be treated before being discharged into the environment. The mud contains a lot of heavy metals which have the potential to pollute the environment and endanger human health. On the other hand, the metal contents in the mud can be used as components to strengthen building materials such as brick. In this study, an investigation was carried out to check whether the risk of heavy metal contamination in the coal-mining mud can be minimized when the brick is produced. In addition, this study also tested whether the bricks produced from the utilization of the mud were strong enough to be used as construction materials. The results obtained indicate that metal contamination can be significantly minimized through the solidification process of brick products and is following the Indonesian national quality standards. This study also shows that even though the bricks meet the strength standard for the certain purpose applied in Indonesia, the utilization of coal-mining mud mixed with cement and sand was not sufficient to produce strong bricks even though the weight obtained was quite light.
Penyelidikan Lapisan Akuifer dan Sumber Air Bersih Menggunakan Metode Geolistrik untuk Pembuatan Sumur Bor di Makam Syiah Kuala, Banda Aceh Alam, Pocut Nurul; Aslam, Izzan Nur; Aflah, Nurul; Pramana, Agus Hari; Sedik, Samuel Paulus; Kana, Muhammad Rizki
PESARE: Jurnal Pengabdian Sains dan Rekayasa Vol 2, No 1 (2024): Februari 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/pesare.v2i1.37305

Abstract

Air merupakan kebutuhan pokok manusia untuk melangsungkan kehidupan. Air permukaan dan air tanah merupakan sumber air utama yang digunakan masyarakat untuk memenuhi berbagai kebutuhan. Air tanah terdapat pada lapisan tanah yang mengandung air yang disebut akuifer. Sebelum pembangunan sarana air bersih dilaksanakan, terlebih dahulu dilakukan penyelidikan geologi dan hidrogeologi sebagai bagian kegiatan eksplorasi. Kedalaman air tanah di suatu daerah tidak sama dengan daerah lainnya, tergantung dari ketebalan lapisan penutup serta kedudukan akuifernya. Lokasi penyelidikan pengabdian mencari sumber air bersih ini berada di Makam Syiah Kuala, Banda Aceh, di mana pengaabdian ini juga bekerjasama dengan Tentara Nasional Indonesia Angkatan Darat (TNI AD) Komando Daerah Militer (Kodam) Iskandar Muda. Di lokasi ini dilakukan pengukuran geolistrik dengan permodelan data geolistrik 1D menggunakan Software Earthimager. Proses pengabdian kepada masyarakat untuk mencari lapisan akuifer yang mengandung air di dalam tanah ini dilakukan dengan metode pendugaan geolistrik yang bertujuan di antaranya untuk memperkirakan ada tidaknya lapisan pembawa air (akuifer) dan mencari/ mengetahui letak, posisi, ketebalan, kedalaman dan penyebaran lapisan pembawa air (akuifer) bawah permukaan. Dari hasil penyelidikan diketahui bahwa lapisan yang diduga sebagai akuifer tidak terdapat pada hasil pemodelan hingga kedalaman pengukuran.
Mapping the Spread of Mercury from Artisanal Mining Activities in Aceh Jaya through Geochemical Surveys Aflah, Nurul; Mulkal, Mulkal; Aslam, Izzan Nur; Muchlis, Muchlis; Harisman, Hendra
Jurnal Rekayasa Kimia & Lingkungan Vol 18, No 1 (2023): Jurnal Rekayasa Kimia & Lingkungan (June, 2023 )
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v18i1.28180

Abstract

Illegal gold mining carried out using amalgamation techniques produce mercury waste which can then damage the environment and damage the health of residents. The negative impact due to the use of mercury is dead fish, contaminated river water, water quality below environmental standard quality and spreading in the food chain. This has caused environmental damage, one of which is in terms of land and water. This condition is the basis for conducting deeper research on environmental damage by mercury waste, especially in terms of soil and water. The sampling method used is the Geochemical Method and Geoelectric Method. Geoelectric samples were taken using the superstring R8 tool. Geochemical samples used were soil and water samples which were subsequently tested by the Atomic Absorption Spectrophotometry (AAS) and X-ray Fluorescence (XRF) methods to see the mercury levels that had been scattered in the research location. The study aims to determine the distribution of mercury waste and its levels. This research includes sampling, sample testing, data processing and analysis, and making maps of the distribution of mercury waste through QGis software. From the study, it was found that the distance from the traditional gold mining processing location determines the concentration level (Hg). Analysis using AAS shows that there were 13 samples had mercury concentrations above the critical threshold. From the analysis, it is also known that AAS could not detect mercury levels in soil samples which is different from the results obtained using XRF.
Optimizing Gold Recovery of Artisanal Mining: A Lesson Learned from Kenya Aslam, Izzan Nur; Orcon, Nestor; Klein, Bern; Alam, Pocut Nurul
Jurnal Rekayasa Kimia & Lingkungan Vol 17, No 1 (2022): Jurnal Rekayasa Kimia & Lingkungan (June, 2022)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v17i1.23223

Abstract

The metallurgical testings to treat the Kenyan artisanal gold mining samples were performed with several processes such as gravity concentration (i.e., Knelson Concentrator and panning), flotation, and cyanidation or leaching. These tests were conducted to find the best processing stages to improve the Kenyan artisanal mining recovery. From the three categories of samples treated, sample A, which was processed through gravity concentration and flotation, produced 95.64% of gold recovery. Meanwhile, sample B could produce 98.74% of gold recovery with the cyanidation test. The results from sample A and sample B confirmed that the combination of the Knelson concentrator and flotation, which the Processing Center should handle, was the perfect combination to reduce the use of cyanide during the leaching process. On the other hand, the study also showed that the tailing sample (sample C) could still be recovered through flotation.With the results obtained, the best scenario was proposed. The government played a critical role in facilitating both the artisanal miners and the Processing Center for both cases, in Kenya or Aceh.
Utilization of Natural Extracts as Corrosion Inhibitors in the Seawater Environment Alam, Pocut Nurul; Rosnelly, Cut Meurah; Karo karo, Justaman Arifin; Ilhamdi, Akhar; Soekarno, Raiyan; Aslam, Izzan Nur
Jurnal Rekayasa Kimia & Lingkungan Vol 16, No 2 (2021): Jurnal Rekayasa Kimia & Lingkungan (December, 2021)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v16i2.18156

Abstract

Infrastructures in coastal area are mostly made of metal which is susceptible to corrosion due to direct contact with the seawater. The Seawater greatly affects the corrosion rate of metals because it contains chloride ions which can penetrate metal surface. The process of corrosioncan beinhibited or slowed by decreasing the corrosion rate in one way, namelythe addition ofcorrosion inhibitors derived from natural materials containing tannin compounds. This study proposed organic corrosion inhibitors which were derived from natural material extracts (coffee leaves andcatappaleaves), the effect of time variations on the efficiency of organic inhibitors was investigated, and the efficiency of each inhibitor organic was compared. The corrosion rate with and without inhibitors was analysed by using the method of weight loss. The results showed that the corrosion rate canbe reducedby adding the natural ingredients extract. The addition of 2% concentration coffee leaves extract resulted in the lowest corrosion rate with the addition of 0.00226 mmpy. The addition ofcatappaleaves extract concentration as much as 2% yield the lowest corrosion rate with the addition of 0.0012 mmpy. The highest efficiency of inhibition system was obtained by using 2%catappaleaves extract at 14 days soaking time at 69.23%, and the lowest by using 1% coffee leaves extract.
Co-Authors Akhar Ilhamdi Bern Klein Cut Meurah Rosnelly Hadif, Fauzil Harisman, Hendra Hendra Harisman Ilham Ilham Ilhamdi, Akhar Justaman Arifin Karo karo Kana, Muhammad Rizki Karo karo, Justaman Arifin Klein, Bern Kurniawan, Reinaldy Muchlis Muchlis Muchlis Muchlis Mulkal Mulkal Mulkal, Mulkal Nestor Orcon Nurul Aflah Nurul Aflah Orcon, Nestor Pocut Nurul Alam Pramana, Agus Hari Raiyan Soekarno Sedik, Samuel Paulus Sintiya Hamdina Ritonga Soekarno, Raiyan Sutradara Ginting Yulianis Yulianis